15674972220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{43607}}^1$

素因数の和:45619

約数の個数: 72

約数和(自身を含む): 47572316064

約数和(自身を除く): 31897343844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1997, 3994, 5991, 7988, 9985, 11982, 17973, 19970, 23964, 29955, 35946, 39940, 43607, 59910, 71892, 87214, 89865, 119820, 130821, 174428, 179730, 218035, 261642, 359460, 392463, 436070, 523284, 654105, 784926, 872140, 1308210, 1569852, 1962315, 2616420, 3924630, 7849260, 87083179, 174166358, 261249537, 348332716, 435415895, 522499074, 783748611, 870831790, 1044998148, 1306247685, 1567497222, 1741663580, 2612495370, 3134994444, 3918743055, 5224990740, 7837486110, 15674972220]

約数ペア:

[(1, 15674972220), (2, 7837486110), (3, 5224990740), (4, 3918743055), (5, 3134994444), (6, 2612495370), (9, 1741663580), (10, 1567497222), (12, 1306247685), (15, 1044998148), (18, 870831790), (20, 783748611), (30, 522499074), (36, 435415895), (45, 348332716), (60, 261249537), (90, 174166358), (180, 87083179), (1997, 7849260), (3994, 3924630), (5991, 2616420), (7988, 1962315), (9985, 1569852), (11982, 1308210), (17973, 872140), (19970, 784926), (23964, 654105), (29955, 523284), (35946, 436070), (39940, 392463), (43607, 359460), (59910, 261642), (71892, 218035), (87214, 179730), (89865, 174428), (119820, 130821)]